/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/systemc/token_ring.03.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 11:07:25,235 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 11:07:25,238 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 11:07:25,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 11:07:25,257 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 11:07:25,259 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 11:07:25,261 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 11:07:25,270 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 11:07:25,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 11:07:25,278 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 11:07:25,279 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 11:07:25,281 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 11:07:25,281 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 11:07:25,283 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 11:07:25,285 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 11:07:25,287 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 11:07:25,288 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 11:07:25,290 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 11:07:25,292 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 11:07:25,296 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 11:07:25,300 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 11:07:25,304 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 11:07:25,306 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 11:07:25,307 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 11:07:25,309 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 11:07:25,309 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 11:07:25,309 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 11:07:25,311 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 11:07:25,311 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 11:07:25,313 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 11:07:25,313 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 11:07:25,314 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 11:07:25,315 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 11:07:25,316 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 11:07:25,317 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 11:07:25,318 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 11:07:25,318 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 11:07:25,319 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 11:07:25,319 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 11:07:25,320 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 11:07:25,320 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 11:07:25,321 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 11:07:25,354 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 11:07:25,354 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 11:07:25,358 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 11:07:25,359 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 11:07:25,359 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 11:07:25,359 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 11:07:25,359 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 11:07:25,359 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 11:07:25,360 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 11:07:25,360 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 11:07:25,360 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 11:07:25,360 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 11:07:25,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 11:07:25,361 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 11:07:25,363 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 11:07:25,363 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 11:07:25,363 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 11:07:25,363 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 11:07:25,364 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 11:07:25,364 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 11:07:25,364 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 11:07:25,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 11:07:25,364 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 11:07:25,365 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 11:07:25,365 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 11:07:25,365 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 11:07:25,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 11:07:25,366 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 11:07:25,366 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 11:07:25,660 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 11:07:25,674 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 11:07:25,677 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 11:07:25,679 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 11:07:25,679 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 11:07:25,680 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.03.cil-1.c [2019-11-07 11:07:25,759 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4447525cb/d46ab88cac8445ae8574ae01bc33346c/FLAGfeaf4a98e [2019-11-07 11:07:26,226 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 11:07:26,229 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.03.cil-1.c [2019-11-07 11:07:26,251 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4447525cb/d46ab88cac8445ae8574ae01bc33346c/FLAGfeaf4a98e [2019-11-07 11:07:26,559 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4447525cb/d46ab88cac8445ae8574ae01bc33346c [2019-11-07 11:07:26,568 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 11:07:26,569 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 11:07:26,572 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 11:07:26,572 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 11:07:26,576 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 11:07:26,577 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:07:26" (1/1) ... [2019-11-07 11:07:26,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f98e590 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:07:26, skipping insertion in model container [2019-11-07 11:07:26,580 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:07:26" (1/1) ... [2019-11-07 11:07:26,587 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 11:07:26,641 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 11:07:26,872 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 11:07:26,878 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 11:07:27,021 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 11:07:27,042 INFO L192 MainTranslator]: Completed translation [2019-11-07 11:07:27,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:07:27 WrapperNode [2019-11-07 11:07:27,042 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 11:07:27,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 11:07:27,043 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 11:07:27,043 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 11:07:27,056 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:07:27" (1/1) ... [2019-11-07 11:07:27,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:07:27" (1/1) ... [2019-11-07 11:07:27,065 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:07:27" (1/1) ... [2019-11-07 11:07:27,065 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:07:27" (1/1) ... [2019-11-07 11:07:27,076 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:07:27" (1/1) ... [2019-11-07 11:07:27,098 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:07:27" (1/1) ... [2019-11-07 11:07:27,103 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:07:27" (1/1) ... [2019-11-07 11:07:27,109 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 11:07:27,116 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 11:07:27,116 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 11:07:27,116 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 11:07:27,117 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:07:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 11:07:27,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 11:07:27,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 11:07:27,163 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-11-07 11:07:27,163 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-11-07 11:07:27,164 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-11-07 11:07:27,165 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-11-07 11:07:27,165 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2019-11-07 11:07:27,166 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-11-07 11:07:27,167 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-11-07 11:07:27,167 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-11-07 11:07:27,167 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2019-11-07 11:07:27,167 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-11-07 11:07:27,168 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-11-07 11:07:27,168 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-11-07 11:07:27,168 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-11-07 11:07:27,169 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-11-07 11:07:27,170 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-11-07 11:07:27,170 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-11-07 11:07:27,170 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-11-07 11:07:27,170 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-11-07 11:07:27,171 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-11-07 11:07:27,171 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-11-07 11:07:27,171 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-11-07 11:07:27,171 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-11-07 11:07:27,171 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 11:07:27,171 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 11:07:27,171 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-11-07 11:07:27,172 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-11-07 11:07:27,172 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-11-07 11:07:27,172 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-11-07 11:07:27,172 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2019-11-07 11:07:27,172 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-11-07 11:07:27,172 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 11:07:27,173 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-11-07 11:07:27,173 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-11-07 11:07:27,173 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-11-07 11:07:27,173 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2019-11-07 11:07:27,173 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-11-07 11:07:27,173 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-11-07 11:07:27,173 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-11-07 11:07:27,173 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-11-07 11:07:27,174 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-11-07 11:07:27,174 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-11-07 11:07:27,174 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-11-07 11:07:27,174 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-11-07 11:07:27,174 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-11-07 11:07:27,174 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-11-07 11:07:27,174 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-11-07 11:07:27,174 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-11-07 11:07:27,175 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 11:07:27,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 11:07:27,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 11:07:28,362 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 11:07:28,362 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-07 11:07:28,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:07:28 BoogieIcfgContainer [2019-11-07 11:07:28,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 11:07:28,367 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 11:07:28,367 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 11:07:28,367 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 11:07:28,368 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:07:28" (1/1) ... [2019-11-07 11:07:28,369 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-11-07 11:07:28,423 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 11:07:28,424 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 11:07:28,444 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 11:07:28,455 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 11:07:28,457 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 11:07:28,587 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 91 for LOIs [2019-11-07 11:07:28,630 INFO L197 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 84 for LOIs [2019-11-07 11:07:28,710 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-11-07 11:07:28,804 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-11-07 11:07:29,448 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-11-07 11:07:29,479 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-11-07 11:07:30,258 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-11-07 11:07:30,273 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-11-07 11:07:30,935 INFO L197 IcfgInterpreter]: Interpreting procedure eval with input of size 60 for LOIs [2019-11-07 11:07:31,479 INFO L197 IcfgInterpreter]: Interpreting procedure master with input of size 45 for LOIs [2019-11-07 11:07:31,498 INFO L197 IcfgInterpreter]: Interpreting procedure error with input of size 30 for LOIs [2019-11-07 11:07:31,501 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 11:07:31,515 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 11:07:31,515 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 11:07:31,519 INFO L168 Benchmark]: Toolchain (without parser) took 4947.79 ms. Allocated memory was 143.7 MB in the beginning and 297.3 MB in the end (delta: 153.6 MB). Free memory was 100.5 MB in the beginning and 172.0 MB in the end (delta: -71.5 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. [2019-11-07 11:07:31,521 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 143.7 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 11:07:31,522 INFO L168 Benchmark]: CACSL2BoogieTranslator took 471.12 ms. Allocated memory was 143.7 MB in the beginning and 200.8 MB in the end (delta: 57.1 MB). Free memory was 100.1 MB in the beginning and 177.7 MB in the end (delta: -77.6 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. [2019-11-07 11:07:31,523 INFO L168 Benchmark]: Boogie Preprocessor took 66.20 ms. Allocated memory is still 200.8 MB. Free memory was 177.7 MB in the beginning and 174.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2019-11-07 11:07:31,525 INFO L168 Benchmark]: RCFGBuilder took 1250.63 ms. Allocated memory was 200.8 MB in the beginning and 231.2 MB in the end (delta: 30.4 MB). Free memory was 174.9 MB in the beginning and 201.2 MB in the end (delta: -26.2 MB). Peak memory consumption was 94.7 MB. Max. memory is 7.1 GB. [2019-11-07 11:07:31,530 INFO L168 Benchmark]: Sifa took 3148.83 ms. Allocated memory was 231.2 MB in the beginning and 297.3 MB in the end (delta: 66.1 MB). Free memory was 201.2 MB in the beginning and 172.0 MB in the end (delta: 29.2 MB). Peak memory consumption was 95.2 MB. Max. memory is 7.1 GB. [2019-11-07 11:07:31,541 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 143.7 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 471.12 ms. Allocated memory was 143.7 MB in the beginning and 200.8 MB in the end (delta: 57.1 MB). Free memory was 100.1 MB in the beginning and 177.7 MB in the end (delta: -77.6 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 66.20 ms. Allocated memory is still 200.8 MB. Free memory was 177.7 MB in the beginning and 174.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1250.63 ms. Allocated memory was 200.8 MB in the beginning and 231.2 MB in the end (delta: 30.4 MB). Free memory was 174.9 MB in the beginning and 201.2 MB in the end (delta: -26.2 MB). Peak memory consumption was 94.7 MB. Max. memory is 7.1 GB. * Sifa took 3148.83 ms. Allocated memory was 231.2 MB in the beginning and 297.3 MB in the end (delta: 66.1 MB). Free memory was 201.2 MB in the beginning and 172.0 MB in the end (delta: 29.2 MB). Peak memory consumption was 95.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 3078, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 127, DAG_INTERPRETER_EARLY_EXITS: 6, TOOLS_POST_APPLICATIONS: 258, TOOLS_POST_TIME[ms]: 113, TOOLS_POST_CALL_APPLICATIONS: 81, TOOLS_POST_CALL_TIME[ms]: 253, TOOLS_POST_RETURN_APPLICATIONS: 75, TOOLS_POST_RETURN_TIME[ms]: 132, TOOLS_QUANTIFIERELIM_APPLICATIONS: 414, TOOLS_QUANTIFIERELIM_TIME[ms]: 362, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 24, FLUID_QUERY_TIME[ms]: 20, FLUID_QUERIES: 384, FLUID_YES_ANSWERS: 5, DOMAIN_JOIN_APPLICATIONS: 115, DOMAIN_JOIN_TIME[ms]: 1511, DOMAIN_ALPHA_APPLICATIONS: 5, DOMAIN_ALPHA_TIME[ms]: 651, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 9, DOMAIN_ISBOTTOM_APPLICATIONS: 127, DOMAIN_ISBOTTOM_TIME[ms]: 186, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1048, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1047, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 75, CALL_SUMMARIZER_CACHE_MISSES: 24, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1874, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1872, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 12, PATH_EXPR_TIME[ms]: 10, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 55, DAG_COMPRESSION_PROCESSED_NODES: 697, DAG_COMPRESSION_RETAINED_NODES: 257 - UnprovableResult [Line: 10]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 1970#(and (= ~m_pc~0 1) (<= 1 ~m_pc~0) (<= ~m_st~0 1) (= ~m_i~0 1) (= ~t1_i~0 1) (= ~m_st~0 1) (<= 1 ~t2_i~0) (<= ~t1_i~0 1) (<= ~t3_i~0 1) (<= ~m_i~0 1) (<= 1 ~m_i~0) (= ~t3_i~0 1) (<= 1 ~t3_i~0) (not (= ~m_pc~0 0)) (= ~t2_i~0 1) (<= ~m_pc~0 1) (<= 1 ~m_st~0) (<= ~t2_i~0 1) (<= 1 ~t1_i~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...